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2.3.3 Format for Modbus RTUGenerally the message format of the Modbus RTU is:T1 T2 T3 Address Function Date Checksum T1 T2 T3with T1...T3:Break periods between two telegrams. The receiver waits for a new address after a breakperiod of at least three and a half character transfer periods.Address:Remark:Function:Substation number of the communication partner.The address is set via the substation number of the PLC Mode device.The following are used by the PLC Mode device from a great number of function of the Modbusprotocol. The type of function code is influenced by the address entry.CodeFunction01 Read spools and discrete output flags. This function code is used if the address isprefixed with a "0". e.g. for reading and display of the first 16 flags #00001XXXX02 Reading of discrete inputs by a "1" prefixe.g. reading of the first 16 input flags #10001XXXX03 Reading of one of more output registersPrefixed by a "4". e.g. reading of the first register and decimal output#40001UUUUU04 Reading of an input register prefixed by a "3"05 Setting of a marker06 Writing of a single register15 Writing of a number of flags is the same as Code 116 Writing of a number of register is the same as Code 317 Detecting of the AEG PLC / diagnosisAttention: Memory types "1" (discrete input flag) and "3" (input register) can only be read; i.e. they mustnot be used in the "Basic definitions" or "variable editing"Check sum: Fault detection operates with CRC-16 and the polynome x 16 +x 15 +x 2 +1E18Process display and control/ Device Manual/ Issue: 07.01
2.4 Protocol Driver ARCNETARCNET: Attached Resource Computer NetworkBecause of its speed, calculable reaction times and its flexible data packet size, ARCNET is applicable in thesensor/ actor area as well as in the process or cell bus level. Bus, star and tree topologies can be realized.Token Passing ProcedureToken is passed independently of the net topology to the node of the respective next higher ID. Each station gets astation ID between 1 and 255 (each number only one time). Data packet size flexible up to 508 byte; then tokenmust be passed. Because of the flexibility, the net data rate is up to 71%. Protocol safety is not a problem becauseof checksums in the data packet (16 Bit CRC) and handshake protocol between sender and receiver.Multimaster operationNew participants can always be signed on or cancelled. If token is lost then the network is reconfigured. Timebehaviour is deterministic. Applicable transmission media are coaxial cables, twisted pair or optical fibrewaveguides. Networks can be expanded by HUB´s and transmission media can be changed. With Coaxial cables2,5 Mbps max. 16 km can be achieved and with twisted pair 6 km. Standards: ATA / ANSI 878.1, 878.2 and 878.32.4.1 Terminal interfacing via ARCNETTo achieve simple and effective data transmission to visualisation systems a protocol according to Modbus RTUwas developed. In the PLC program, beside the ARCNET blocks AINIT, AREC, ASEND, ASEND+, and APOLL theconnecting element 5F_ARC (for 07KT92/93) or 5F_ARC94 (for 07KT94 ) is used. 5F_ARC and 5F_ARC94 arefunctionally identical.These connection element call via the block CALLC a C subroutine which interprets the received data.The protocol works according to a master/ slave principle, the terminal is always the master and the PLC is alwaysthe slave. Data that is sent and received is configured in the terminal. A standard program is always used in thePLC. Several masters can be connected to one PLC; in that case, the PLC program must be expanded withseveral 5F_ARC or 5F_ARC94. Additionally to this protocol a communication between the PLCs according to theblock descriptions ASEND, ASEND+ and AREC can be realized.The coupling can be made to all operating devices with ARCNET interface.Process display and control/ Device Manual/ Issue: 07.0119E
Page 2 and 3: RegulationsConcerning the Setting u
Page 4 and 5: 3.4 Overview of connection assignme
Page 6 and 7: 6.1.4 Address declaration Modbus-Ma
Page 8 and 9: 1 Product Overview1.1 Product range
Page 10 and 11: 1.3 Overview machine terminals with
Page 12 and 13: 1.4.4 RecordingThe devices contain
Page 14 and 15: 1.5 Software concept of graphic ter
Page 16 and 17: The following barcode readers have
Page 20 and 21: 3 Mounting Instructions and Install
Page 22 and 23: 3.2.1 Shielding cables / leadsShiel
Page 24 and 25: 3.3 Instructions for Mounting and I
Page 26 and 27: 3.3.1 Mounting Diagram MT-60Constru
Page 28 and 29: 3.3.4 Mounting Diagram MT-91Dimensi
Page 30 and 31: Back wall MT-60Back wall MT-91 / MT
Page 32 and 33: Connections:Identification Signific
Page 34 and 35: Connection between the ends of the
Page 36 and 37: 3.5.5 Technical data of the ARCNET
Page 38 and 39: 3.7.1 PIN assignment for barcode in
Page 40 and 41: 4 Installation on the PLC4.1 Instal
Page 42 and 43: 4.2 Installation on the T200Standar
Page 44 and 45: Installation on X4The connection ca
Page 46 and 47: 4.3.2 Modbus RTU SlaveAC 31MK 92RS-
Page 48 and 49: 4.3.6 Connection via RS-485 on X2MT
Page 50 and 51: 4.3.9 Connection via RS-422 on X4MT
Page 53 and 54: 4.5 Connection to AC 41/ AC 51 with
Page 55 and 56: 4.7 Connection to KR / KT31 with Mo
Page 57 and 58: 4.8.3 Block 5F_ARC resp. 5F_ARC945F
Page 59: ArcNet reading procedure of the PLC
Page 63 and 64: 5.2 System download of MT-30Info:Al
Page 65 and 66: 5.5 Configuration during operation
Page 67 and 68: 5.5.5 Brightness control of the dis
Page 69 and 70:
Adjustment of the baud rateIn the n
Page 71 and 72:
5.6 Starting-up and self test of MT
Page 73 and 74:
5.6.3 Basic MaskAfter error-free se
Page 75 and 76:
5.7.2 General settings5.7.2.1 Langu
Page 77 and 78:
5.7.2.5 Programming texts / systemD
Page 79 and 80:
Printer flow controlnoneXON/XOFF (s
Page 81 and 82:
5.7.2.8 Substation numberCaution:Th
Page 83 and 84:
5.7.2.14 Handling the fault listThe
Page 85 and 86:
5.7.4.3 Display testTest display?Ye
Page 87 and 88:
5.7.4.7 Test COM1Test COM1?YesNo -
Page 89 and 90:
5.8 Startup keys of MT-45, MT-91, M
Page 91 and 92:
6.1.1 Address declaration for CS316
Page 93 and 94:
6.1.2 Address declaration for T200
Page 95 and 96:
6.1.3 Address declaration for Modbu
Page 97 and 98:
6.1.4 Address declaration Modbus-Ma
Page 99 and 100:
6.1.5 Address declaration Modbus-Ma
Page 101 and 102:
6.2 Description of Functions / Over
Page 103 and 104:
How can a picture or text display b
Page 105 and 106:
+06 Bit Bit Bit Bit Bit Bit Bit Bit
Page 107 and 108:
+02 Bit Bit Bit Bit Bit Bit Bit Bit
Page 109 and 110:
Fault bit field 1-32 words for MT-4
Page 111 and 112:
6.4.3 Dynamic control wordBackgroun
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Text number register (only MT-30, M
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6.8 Any variables• Display resp.
Page 117 and 118:
6.8.2.2 Variables in SPSPlus WIN(pr
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6.9 Text programming / special func
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6.10.1 Global Parameterizing of rep
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7 Operation7.1 General performance
Page 125 and 126:
Abbildung: MT-45Picture: MT-60Proce
Page 127 and 128:
7.2.1 Keyboard descriptionThe keybo
Page 129 and 130:
Functions in system menus (history,
Page 131 and 132:
Additional functions in edit menusK
Page 133 and 134:
Input of variablesThe input of vari
Page 135 and 136:
With MT-30:Type of variable Definit
Page 137 and 138:
7.5 Dynamic menu branchingBy means
Page 139 and 140:
7.5.2 Parameterizing of the returnT
Page 141 and 142:
7.6.3 Programming of a help textThe
Page 143 and 144:
7.7.2 Calling up the historyThe his
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After the correct password has been
Page 147 and 148:
7.7.9 Exiting the historyThe functi
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8 INDEX/ not into basic mask 109Ack
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